cuddy vs duffer

cuddy

noun
  • A donkey, especially one driven by a huckster or greengrocer. 

  • a small cupboard or closet. 

  • A pony that works in a mine. 

  • A coalfish (Pollachius virens). 

  • A lever mounted on a tripod for lifting stones, leveling up railroad ties, etc.. 

  • A cabin, for the use of the captain, in the after part of a sailing ship under the poop deck. 

duffer

noun
  • A cow that does not produce milk. 

  • An incompetent, indolent, or clumsy person. 

  • Any of various nymphalid butterflies of the genus Discophora. 

  • A player having little skill, especially a golfer who duffs. 

  • A racing pigeon that does not perform well. 

How often have the words cuddy and duffer occurred in a corpus of books? (source: Google Ngram Viewer )